Analyzer Knowledge Hub

Browse analyzers by manufacturer. Each analyzer includes working principles, calibration guidance, troubleshooting notes, and alarm decision trees based on real field experience.

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Gas Chromatographs (GC)

Siemens MAXUM Edition II

Industrial process GC for refinery, petrochemical, and gas applications.

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ABB PGC5000B (Smart Oven)

Modular process GC with smart oven design.

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ABB Portable NGC

Portable natural gas chromatograph for field analysis.

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Yokogawa GC8000

Modular process GC for complex multi-stream analysis.

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Yokogawa GC — Chromatogram Reference

Visual chromatogram patterns for troubleshooting sampling, carrier gas, oven stability, and valve issues.

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Agilent Process GC

Online gas chromatographs for industrial process analysis.

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ABB PGC5000C (Smart Oven)

Advanced ABB process GC with Smart Oven design for refinery and petrochemical applications.

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ABB PGC5007B (Total Sulfur)

ABB process GC configured for total sulfur measurement in refinery and petrochemical applications.

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Oxygen & Combustion Analyzers

Yokogawa ZR22G

Zirconia in-situ oxygen analyzer for boilers and furnaces.

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ABB AZ10

Entry-level zirconia oxygen analyzer.

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ABB AZ20

In-situ zirconia oxygen monitor for combustion applications.

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ABB AZ25

In-situ zirconia oxygen analyzer for high-temperature combustion applications.

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ABB AZ30

High-performance zirconia oxygen analyzer.

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ABB AZ40

TDLAS analyzer for harsh process environments.

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Servomex 4900 Multigas Analyzer

Paramagnetic O₂ and infrared gas analysis; distinguish legacy 04900 from the separately identified 4900 Multigas generation.

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AMETEK Analyzers

AMETEK 888

SRU analyzer for H₂S, SO₂, and tail gas monitoring.

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AMETEK 933

Process gas analyzer for sulfur and emissions applications.

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Wobbe Index & Calorific Value

Hobré Wobbe Index Analyzer

Wobbe Index and calorific value measurement.

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Biogas Plant Analyzers

Complete analyzer ecosystem for biogas and CBG plants, covering digester process monitoring, gas quality, upgrading, safety, engines, and SATAT compliance.

Biogas & CBG Analyzer Cluster

Explore all analyzers required across the biogas lifecycle — from digester stability and gas composition to Bio-CNG upgrading, engine exhaust, and India-specific compliance.

  • Digester process analyzers (pH, VFA, ammonia)
  • Biogas composition (CH₄, CO₂, H₂S, O₂)
  • Moisture / dew point monitoring
  • H₂S & gas safety detectors
  • CBG / Bio-CNG upgrading analyzers
  • Engine / CHP exhaust analyzers
  • SATAT / PESO / CPCB compliance
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pH Analyzers

Online pH analyzers for liquid process measurement in water treatment, refineries, chemical plants, power plants, and utilities. Measurement reliability depends strongly on sensor condition, installation, and process stability.

Yokogawa FLXA402 (pH / ORP)

Modular liquid analyzer for pH and ORP measurement. Widely used for demanding industrial and utility applications.

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ABB AWT420

Industrial pH analyzer designed for water and wastewater treatment applications.

Coming soon

Endress+Hauser Liquiline CM44

Modular multi-parameter liquid analyzer supporting pH, ORP, conductivity, and dissolved oxygen.

Coming soon

Emerson Rosemount pH Series

Rosemount pH analyzers and sensors for harsh industrial liquid measurement environments.

Coming soon
pH Measurement – Field Reality → pH Alarm Decision Tree →
Technician tip: Analyzer issues are most often caused by sampling systems, utilities, or process disturbances — not the analyzer electronics.

Technical references

Updated against manufacturer documentation. Match the document to the installed model and options.